Fix package name for Rust naming convention

Cargo.toml

@@ -1,5 +1,5 @@
 [package]
-name = "Oxide"
+name = "oxide"
 version = "0.1.0"
 edition = "2021"
 

src/main.rs

@@ -5,17 +5,20 @@ fn main() {
 }
 
 fn get_sys_info() {
+    // Please note that we use "new_all" to ensure that all list of
+    // components, network interfaces, disks and users are already
+    // filled!
     let mut sys = System::new_all();
 
     // First we update all information of our `System` struct.
     sys.refresh_all();
 
-    // Display system information:
+    // Print system information:
     println!("System name:             {:?}", System::name());
     println!("Kernel version:          {:?}", System::kernel_version());
     println!("System OS version:       {:?}", System::os_version());
     println!("System host name:        {:?}", System::host_name());
 
-    // Number of CPUs:
+    // Print number of CPUs:
     println!("Number of CPUs:          {}", sys.cpus().len());
 }